Int 10/AH=F1h

AH = F1h
AL = new video state
(bit 5 set for black text on white, clear for white on black)

Return:
???

Program: VHRBIOS.SYS is a driver for the Micro Display Systems "TheGenius" black&white A4/portrait monitor

See Also: AH=F0h"VHRBIOS.SYS" - AH=F3h"VHRBIOS.SYS"

Category: Video - Int 10h - V